SMQ-3399 - Unify Magistrala and SuperMQ (#3400)

Signed-off-by: nyagamunene <stevenyaga2014@gmail.com>
Signed-off-by: dusan <borovcanindusan1@gmail.com>
Co-authored-by: Steve Munene <stevenyaga2014@gmail.com>

api/grpc/certs/v1/certs.pb.go

@@ -0,0 +1,228 @@
+// Copyright (c) Abstract Machines
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v6.33.0
+// source: certs/v1/certs.proto
+
+package v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type EntityReq struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	SerialNumber  string                 `protobuf:"bytes,1,opt,name=serial_number,json=serialNumber,proto3" json:"serial_number,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *EntityReq) Reset() {
+	*x = EntityReq{}
+	mi := &file_certs_v1_certs_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *EntityReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EntityReq) ProtoMessage() {}
+
+func (x *EntityReq) ProtoReflect() protoreflect.Message {
+	mi := &file_certs_v1_certs_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EntityReq.ProtoReflect.Descriptor instead.
+func (*EntityReq) Descriptor() ([]byte, []int) {
+	return file_certs_v1_certs_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *EntityReq) GetSerialNumber() string {
+	if x != nil {
+		return x.SerialNumber
+	}
+	return ""
+}
+
+type EntityRes struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	EntityId      string                 `protobuf:"bytes,1,opt,name=entity_id,json=entityId,proto3" json:"entity_id,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *EntityRes) Reset() {
+	*x = EntityRes{}
+	mi := &file_certs_v1_certs_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *EntityRes) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EntityRes) ProtoMessage() {}
+
+func (x *EntityRes) ProtoReflect() protoreflect.Message {
+	mi := &file_certs_v1_certs_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EntityRes.ProtoReflect.Descriptor instead.
+func (*EntityRes) Descriptor() ([]byte, []int) {
+	return file_certs_v1_certs_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *EntityRes) GetEntityId() string {
+	if x != nil {
+		return x.EntityId
+	}
+	return ""
+}
+
+type RevokeReq struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	EntityId      string                 `protobuf:"bytes,1,opt,name=entity_id,json=entityId,proto3" json:"entity_id,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RevokeReq) Reset() {
+	*x = RevokeReq{}
+	mi := &file_certs_v1_certs_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RevokeReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RevokeReq) ProtoMessage() {}
+
+func (x *RevokeReq) ProtoReflect() protoreflect.Message {
+	mi := &file_certs_v1_certs_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RevokeReq.ProtoReflect.Descriptor instead.
+func (*RevokeReq) Descriptor() ([]byte, []int) {
+	return file_certs_v1_certs_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *RevokeReq) GetEntityId() string {
+	if x != nil {
+		return x.EntityId
+	}
+	return ""
+}
+
+var File_certs_v1_certs_proto protoreflect.FileDescriptor
+
+const file_certs_v1_certs_proto_rawDesc = "" +
+	"\n" +
+	"\x14certs/v1/certs.proto\x12\rabsmach.certs\x1a\x1bgoogle/protobuf/empty.proto\"0\n" +
+	"\tEntityReq\x12#\n" +
+	"\rserial_number\x18\x01 \x01(\tR\fserialNumber\"(\n" +
+	"\tEntityRes\x12\x1b\n" +
+	"\tentity_id\x18\x01 \x01(\tR\bentityId\"(\n" +
+	"\tRevokeReq\x12\x1b\n" +
+	"\tentity_id\x18\x01 \x01(\tR\bentityId2\x96\x01\n" +
+	"\fCertsService\x12C\n" +
+	"\vGetEntityID\x12\x18.absmach.certs.EntityReq\x1a\x18.absmach.certs.EntityRes\"\x00\x12A\n" +
+	"\vRevokeCerts\x12\x18.absmach.certs.RevokeReq\x1a\x16.google.protobuf.Empty\"\x00B.Z,github.com/absmach/supermq/api/grpc/certs/v1b\x06proto3"
+
+var (
+	file_certs_v1_certs_proto_rawDescOnce sync.Once
+	file_certs_v1_certs_proto_rawDescData []byte
+)
+
+func file_certs_v1_certs_proto_rawDescGZIP() []byte {
+	file_certs_v1_certs_proto_rawDescOnce.Do(func() {
+		file_certs_v1_certs_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_certs_v1_certs_proto_rawDesc), len(file_certs_v1_certs_proto_rawDesc)))
+	})
+	return file_certs_v1_certs_proto_rawDescData
+}
+
+var file_certs_v1_certs_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_certs_v1_certs_proto_goTypes = []any{
+	(*EntityReq)(nil),     // 0: absmach.certs.EntityReq
+	(*EntityRes)(nil),     // 1: absmach.certs.EntityRes
+	(*RevokeReq)(nil),     // 2: absmach.certs.RevokeReq
+	(*emptypb.Empty)(nil), // 3: google.protobuf.Empty
+}
+var file_certs_v1_certs_proto_depIdxs = []int32{
+	0, // 0: absmach.certs.CertsService.GetEntityID:input_type -> absmach.certs.EntityReq
+	2, // 1: absmach.certs.CertsService.RevokeCerts:input_type -> absmach.certs.RevokeReq
+	1, // 2: absmach.certs.CertsService.GetEntityID:output_type -> absmach.certs.EntityRes
+	3, // 3: absmach.certs.CertsService.RevokeCerts:output_type -> google.protobuf.Empty
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_certs_v1_certs_proto_init() }
+func file_certs_v1_certs_proto_init() {
+	if File_certs_v1_certs_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_certs_v1_certs_proto_rawDesc), len(file_certs_v1_certs_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_certs_v1_certs_proto_goTypes,
+		DependencyIndexes: file_certs_v1_certs_proto_depIdxs,
+		MessageInfos:      file_certs_v1_certs_proto_msgTypes,
+	}.Build()
+	File_certs_v1_certs_proto = out.File
+	file_certs_v1_certs_proto_goTypes = nil
+	file_certs_v1_certs_proto_depIdxs = nil
+}

api/grpc/certs/v1/certs_grpc.pb.go

@@ -0,0 +1,163 @@
+// Copyright (c) Abstract Machines
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.0
+// - protoc             v6.33.0
+// source: certs/v1/certs.proto
+
+package v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	CertsService_GetEntityID_FullMethodName = "/absmach.certs.CertsService/GetEntityID"
+	CertsService_RevokeCerts_FullMethodName = "/absmach.certs.CertsService/RevokeCerts"
+)
+
+// CertsServiceClient is the client API for CertsService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type CertsServiceClient interface {
+	GetEntityID(ctx context.Context, in *EntityReq, opts ...grpc.CallOption) (*EntityRes, error)
+	RevokeCerts(ctx context.Context, in *RevokeReq, opts ...grpc.CallOption) (*emptypb.Empty, error)
+}
+
+type certsServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCertsServiceClient(cc grpc.ClientConnInterface) CertsServiceClient {
+	return &certsServiceClient{cc}
+}
+
+func (c *certsServiceClient) GetEntityID(ctx context.Context, in *EntityReq, opts ...grpc.CallOption) (*EntityRes, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(EntityRes)
+	err := c.cc.Invoke(ctx, CertsService_GetEntityID_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *certsServiceClient) RevokeCerts(ctx context.Context, in *RevokeReq, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, CertsService_RevokeCerts_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// CertsServiceServer is the server API for CertsService service.
+// All implementations must embed UnimplementedCertsServiceServer
+// for forward compatibility.
+type CertsServiceServer interface {
+	GetEntityID(context.Context, *EntityReq) (*EntityRes, error)
+	RevokeCerts(context.Context, *RevokeReq) (*emptypb.Empty, error)
+	mustEmbedUnimplementedCertsServiceServer()
+}
+
+// UnimplementedCertsServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedCertsServiceServer struct{}
+
+func (UnimplementedCertsServiceServer) GetEntityID(context.Context, *EntityReq) (*EntityRes, error) {
+	return nil, status.Error(codes.Unimplemented, "method GetEntityID not implemented")
+}
+func (UnimplementedCertsServiceServer) RevokeCerts(context.Context, *RevokeReq) (*emptypb.Empty, error) {
+	return nil, status.Error(codes.Unimplemented, "method RevokeCerts not implemented")
+}
+func (UnimplementedCertsServiceServer) mustEmbedUnimplementedCertsServiceServer() {}
+func (UnimplementedCertsServiceServer) testEmbeddedByValue()                      {}
+
+// UnsafeCertsServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CertsServiceServer will
+// result in compilation errors.
+type UnsafeCertsServiceServer interface {
+	mustEmbedUnimplementedCertsServiceServer()
+}
+
+func RegisterCertsServiceServer(s grpc.ServiceRegistrar, srv CertsServiceServer) {
+	// If the following call panics, it indicates UnimplementedCertsServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&CertsService_ServiceDesc, srv)
+}
+
+func _CertsService_GetEntityID_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(EntityReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CertsServiceServer).GetEntityID(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: CertsService_GetEntityID_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CertsServiceServer).GetEntityID(ctx, req.(*EntityReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _CertsService_RevokeCerts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RevokeReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CertsServiceServer).RevokeCerts(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: CertsService_RevokeCerts_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CertsServiceServer).RevokeCerts(ctx, req.(*RevokeReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// CertsService_ServiceDesc is the grpc.ServiceDesc for CertsService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var CertsService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "absmach.certs.CertsService",
+	HandlerType: (*CertsServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetEntityID",
+			Handler:    _CertsService_GetEntityID_Handler,
+		},
+		{
+			MethodName: "RevokeCerts",
+			Handler:    _CertsService_RevokeCerts_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "certs/v1/certs.proto",
+}

api/grpc/readers/v1/readers.pb.go

@@ -0,0 +1,873 @@
+// Copyright (c) Abstract Machines
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v6.33.0
+// source: readers/v1/readers.proto
+
+package v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Aggregation defines supported data aggregations.
+type Aggregation int32
+
+const (
+	Aggregation_AGGREGATION_UNSPECIFIED Aggregation = 0
+	Aggregation_AGGREGATION_MAX         Aggregation = 1
+	Aggregation_AGGREGATION_MIN         Aggregation = 2
+	Aggregation_AGGREGATION_SUM         Aggregation = 3
+	Aggregation_AGGREGATION_COUNT       Aggregation = 4
+	Aggregation_AGGREGATION_AVG         Aggregation = 5
+)
+
+// Enum value maps for Aggregation.
+var (
+	Aggregation_name = map[int32]string{
+		0: "AGGREGATION_UNSPECIFIED",
+		1: "AGGREGATION_MAX",
+		2: "AGGREGATION_MIN",
+		3: "AGGREGATION_SUM",
+		4: "AGGREGATION_COUNT",
+		5: "AGGREGATION_AVG",
+	}
+	Aggregation_value = map[string]int32{
+		"AGGREGATION_UNSPECIFIED": 0,
+		"AGGREGATION_MAX":         1,
+		"AGGREGATION_MIN":         2,
+		"AGGREGATION_SUM":         3,
+		"AGGREGATION_COUNT":       4,
+		"AGGREGATION_AVG":         5,
+	}
+)
+
+func (x Aggregation) Enum() *Aggregation {
+	p := new(Aggregation)
+	*p = x
+	return p
+}
+
+func (x Aggregation) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Aggregation) Descriptor() protoreflect.EnumDescriptor {
+	return file_readers_v1_readers_proto_enumTypes[0].Descriptor()
+}
+
+func (Aggregation) Type() protoreflect.EnumType {
+	return &file_readers_v1_readers_proto_enumTypes[0]
+}
+
+func (x Aggregation) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Aggregation.Descriptor instead.
+func (Aggregation) EnumDescriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{0}
+}
+
+type PageMetadata struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Limit         uint64                 `protobuf:"varint,1,opt,name=limit,proto3" json:"limit,omitempty"`
+	Offset        uint64                 `protobuf:"varint,2,opt,name=offset,proto3" json:"offset,omitempty"`
+	Protocol      string                 `protobuf:"bytes,3,opt,name=protocol,proto3" json:"protocol,omitempty"`
+	Name          string                 `protobuf:"bytes,4,opt,name=name,proto3" json:"name,omitempty"`
+	Value         float64                `protobuf:"fixed64,5,opt,name=value,proto3" json:"value,omitempty"`
+	Publisher     string                 `protobuf:"bytes,6,opt,name=publisher,proto3" json:"publisher,omitempty"`
+	BoolValue     bool                   `protobuf:"varint,7,opt,name=bool_value,json=boolValue,proto3" json:"bool_value,omitempty"`
+	StringValue   string                 `protobuf:"bytes,8,opt,name=string_value,json=stringValue,proto3" json:"string_value,omitempty"`
+	DataValue     string                 `protobuf:"bytes,9,opt,name=data_value,json=dataValue,proto3" json:"data_value,omitempty"`
+	From          float64                `protobuf:"fixed64,10,opt,name=from,proto3" json:"from,omitempty"`
+	To            float64                `protobuf:"fixed64,11,opt,name=to,proto3" json:"to,omitempty"`
+	Subtopic      string                 `protobuf:"bytes,12,opt,name=subtopic,proto3" json:"subtopic,omitempty"`
+	Interval      string                 `protobuf:"bytes,13,opt,name=interval,proto3" json:"interval,omitempty"`
+	Read          bool                   `protobuf:"varint,14,opt,name=read,proto3" json:"read,omitempty"`
+	Aggregation   Aggregation            `protobuf:"varint,15,opt,name=aggregation,proto3,enum=readers.v1.Aggregation" json:"aggregation,omitempty"`
+	Comparator    string                 `protobuf:"bytes,16,opt,name=comparator,proto3" json:"comparator,omitempty"`
+	Format        string                 `protobuf:"bytes,17,opt,name=format,proto3" json:"format,omitempty"`
+	Order         string                 `protobuf:"bytes,18,opt,name=order,proto3" json:"order,omitempty"`
+	Dir           string                 `protobuf:"bytes,19,opt,name=dir,proto3" json:"dir,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *PageMetadata) Reset() {
+	*x = PageMetadata{}
+	mi := &file_readers_v1_readers_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *PageMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PageMetadata) ProtoMessage() {}
+
+func (x *PageMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PageMetadata.ProtoReflect.Descriptor instead.
+func (*PageMetadata) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *PageMetadata) GetLimit() uint64 {
+	if x != nil {
+		return x.Limit
+	}
+	return 0
+}
+
+func (x *PageMetadata) GetOffset() uint64 {
+	if x != nil {
+		return x.Offset
+	}
+	return 0
+}
+
+func (x *PageMetadata) GetProtocol() string {
+	if x != nil {
+		return x.Protocol
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetValue() float64 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+func (x *PageMetadata) GetPublisher() string {
+	if x != nil {
+		return x.Publisher
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetBoolValue() bool {
+	if x != nil {
+		return x.BoolValue
+	}
+	return false
+}
+
+func (x *PageMetadata) GetStringValue() string {
+	if x != nil {
+		return x.StringValue
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetDataValue() string {
+	if x != nil {
+		return x.DataValue
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetFrom() float64 {
+	if x != nil {
+		return x.From
+	}
+	return 0
+}
+
+func (x *PageMetadata) GetTo() float64 {
+	if x != nil {
+		return x.To
+	}
+	return 0
+}
+
+func (x *PageMetadata) GetSubtopic() string {
+	if x != nil {
+		return x.Subtopic
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetInterval() string {
+	if x != nil {
+		return x.Interval
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetRead() bool {
+	if x != nil {
+		return x.Read
+	}
+	return false
+}
+
+func (x *PageMetadata) GetAggregation() Aggregation {
+	if x != nil {
+		return x.Aggregation
+	}
+	return Aggregation_AGGREGATION_UNSPECIFIED
+}
+
+func (x *PageMetadata) GetComparator() string {
+	if x != nil {
+		return x.Comparator
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetFormat() string {
+	if x != nil {
+		return x.Format
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetOrder() string {
+	if x != nil {
+		return x.Order
+	}
+	return ""
+}
+
+func (x *PageMetadata) GetDir() string {
+	if x != nil {
+		return x.Dir
+	}
+	return ""
+}
+
+type ReadMessagesRes struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Total         uint64                 `protobuf:"varint,1,opt,name=total,proto3" json:"total,omitempty"`
+	PageMetadata  *PageMetadata          `protobuf:"bytes,2,opt,name=page_metadata,json=pageMetadata,proto3" json:"page_metadata,omitempty"`
+	Messages      []*Message             `protobuf:"bytes,3,rep,name=messages,proto3" json:"messages,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ReadMessagesRes) Reset() {
+	*x = ReadMessagesRes{}
+	mi := &file_readers_v1_readers_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ReadMessagesRes) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReadMessagesRes) ProtoMessage() {}
+
+func (x *ReadMessagesRes) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ReadMessagesRes.ProtoReflect.Descriptor instead.
+func (*ReadMessagesRes) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ReadMessagesRes) GetTotal() uint64 {
+	if x != nil {
+		return x.Total
+	}
+	return 0
+}
+
+func (x *ReadMessagesRes) GetPageMetadata() *PageMetadata {
+	if x != nil {
+		return x.PageMetadata
+	}
+	return nil
+}
+
+func (x *ReadMessagesRes) GetMessages() []*Message {
+	if x != nil {
+		return x.Messages
+	}
+	return nil
+}
+
+type Message struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to Payload:
+	//
+	//	*Message_Senml
+	//	*Message_Json
+	Payload       isMessage_Payload `protobuf_oneof:"payload"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *Message) Reset() {
+	*x = Message{}
+	mi := &file_readers_v1_readers_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Message) ProtoMessage() {}
+
+func (x *Message) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Message.ProtoReflect.Descriptor instead.
+func (*Message) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Message) GetPayload() isMessage_Payload {
+	if x != nil {
+		return x.Payload
+	}
+	return nil
+}
+
+func (x *Message) GetSenml() *SenMLMessage {
+	if x != nil {
+		if x, ok := x.Payload.(*Message_Senml); ok {
+			return x.Senml
+		}
+	}
+	return nil
+}
+
+func (x *Message) GetJson() *JsonMessage {
+	if x != nil {
+		if x, ok := x.Payload.(*Message_Json); ok {
+			return x.Json
+		}
+	}
+	return nil
+}
+
+type isMessage_Payload interface {
+	isMessage_Payload()
+}
+
+type Message_Senml struct {
+	Senml *SenMLMessage `protobuf:"bytes,1,opt,name=senml,proto3,oneof"`
+}
+
+type Message_Json struct {
+	Json *JsonMessage `protobuf:"bytes,2,opt,name=json,proto3,oneof"`
+}
+
+func (*Message_Senml) isMessage_Payload() {}
+
+func (*Message_Json) isMessage_Payload() {}
+
+type BaseMessage struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Channel       string                 `protobuf:"bytes,1,opt,name=channel,proto3" json:"channel,omitempty"`
+	Subtopic      string                 `protobuf:"bytes,2,opt,name=subtopic,proto3" json:"subtopic,omitempty"`
+	Publisher     string                 `protobuf:"bytes,3,opt,name=publisher,proto3" json:"publisher,omitempty"`
+	Protocol      string                 `protobuf:"bytes,4,opt,name=protocol,proto3" json:"protocol,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *BaseMessage) Reset() {
+	*x = BaseMessage{}
+	mi := &file_readers_v1_readers_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *BaseMessage) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BaseMessage) ProtoMessage() {}
+
+func (x *BaseMessage) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BaseMessage.ProtoReflect.Descriptor instead.
+func (*BaseMessage) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *BaseMessage) GetChannel() string {
+	if x != nil {
+		return x.Channel
+	}
+	return ""
+}
+
+func (x *BaseMessage) GetSubtopic() string {
+	if x != nil {
+		return x.Subtopic
+	}
+	return ""
+}
+
+func (x *BaseMessage) GetPublisher() string {
+	if x != nil {
+		return x.Publisher
+	}
+	return ""
+}
+
+func (x *BaseMessage) GetProtocol() string {
+	if x != nil {
+		return x.Protocol
+	}
+	return ""
+}
+
+type SenMLMessage struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Base          *BaseMessage           `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
+	Name          string                 `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Unit          string                 `protobuf:"bytes,3,opt,name=unit,proto3" json:"unit,omitempty"`
+	Time          float64                `protobuf:"fixed64,4,opt,name=time,proto3" json:"time,omitempty"`
+	UpdateTime    float64                `protobuf:"fixed64,5,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty"`
+	Value         *float64               `protobuf:"fixed64,6,opt,name=value,proto3,oneof" json:"value,omitempty"`
+	StringValue   *string                `protobuf:"bytes,7,opt,name=string_value,json=stringValue,proto3,oneof" json:"string_value,omitempty"`
+	DataValue     *string                `protobuf:"bytes,8,opt,name=data_value,json=dataValue,proto3,oneof" json:"data_value,omitempty"`
+	BoolValue     *bool                  `protobuf:"varint,9,opt,name=bool_value,json=boolValue,proto3,oneof" json:"bool_value,omitempty"`
+	Sum           *float64               `protobuf:"fixed64,10,opt,name=sum,proto3,oneof" json:"sum,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *SenMLMessage) Reset() {
+	*x = SenMLMessage{}
+	mi := &file_readers_v1_readers_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *SenMLMessage) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SenMLMessage) ProtoMessage() {}
+
+func (x *SenMLMessage) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SenMLMessage.ProtoReflect.Descriptor instead.
+func (*SenMLMessage) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *SenMLMessage) GetBase() *BaseMessage {
+	if x != nil {
+		return x.Base
+	}
+	return nil
+}
+
+func (x *SenMLMessage) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *SenMLMessage) GetUnit() string {
+	if x != nil {
+		return x.Unit
+	}
+	return ""
+}
+
+func (x *SenMLMessage) GetTime() float64 {
+	if x != nil {
+		return x.Time
+	}
+	return 0
+}
+
+func (x *SenMLMessage) GetUpdateTime() float64 {
+	if x != nil {
+		return x.UpdateTime
+	}
+	return 0
+}
+
+func (x *SenMLMessage) GetValue() float64 {
+	if x != nil && x.Value != nil {
+		return *x.Value
+	}
+	return 0
+}
+
+func (x *SenMLMessage) GetStringValue() string {
+	if x != nil && x.StringValue != nil {
+		return *x.StringValue
+	}
+	return ""
+}
+
+func (x *SenMLMessage) GetDataValue() string {
+	if x != nil && x.DataValue != nil {
+		return *x.DataValue
+	}
+	return ""
+}
+
+func (x *SenMLMessage) GetBoolValue() bool {
+	if x != nil && x.BoolValue != nil {
+		return *x.BoolValue
+	}
+	return false
+}
+
+func (x *SenMLMessage) GetSum() float64 {
+	if x != nil && x.Sum != nil {
+		return *x.Sum
+	}
+	return 0
+}
+
+type JsonMessage struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Base          *BaseMessage           `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
+	Created       int64                  `protobuf:"varint,2,opt,name=created,proto3" json:"created,omitempty"`
+	Payload       []byte                 `protobuf:"bytes,3,opt,name=payload,proto3" json:"payload,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *JsonMessage) Reset() {
+	*x = JsonMessage{}
+	mi := &file_readers_v1_readers_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *JsonMessage) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*JsonMessage) ProtoMessage() {}
+
+func (x *JsonMessage) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use JsonMessage.ProtoReflect.Descriptor instead.
+func (*JsonMessage) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *JsonMessage) GetBase() *BaseMessage {
+	if x != nil {
+		return x.Base
+	}
+	return nil
+}
+
+func (x *JsonMessage) GetCreated() int64 {
+	if x != nil {
+		return x.Created
+	}
+	return 0
+}
+
+func (x *JsonMessage) GetPayload() []byte {
+	if x != nil {
+		return x.Payload
+	}
+	return nil
+}
+
+type ReadMessagesReq struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	ChannelId     string                 `protobuf:"bytes,1,opt,name=channel_id,json=channelId,proto3" json:"channel_id,omitempty"`
+	DomainId      string                 `protobuf:"bytes,2,opt,name=domain_id,json=domainId,proto3" json:"domain_id,omitempty"`
+	PageMetadata  *PageMetadata          `protobuf:"bytes,3,opt,name=page_metadata,json=pageMetadata,proto3" json:"page_metadata,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ReadMessagesReq) Reset() {
+	*x = ReadMessagesReq{}
+	mi := &file_readers_v1_readers_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ReadMessagesReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReadMessagesReq) ProtoMessage() {}
+
+func (x *ReadMessagesReq) ProtoReflect() protoreflect.Message {
+	mi := &file_readers_v1_readers_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ReadMessagesReq.ProtoReflect.Descriptor instead.
+func (*ReadMessagesReq) Descriptor() ([]byte, []int) {
+	return file_readers_v1_readers_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ReadMessagesReq) GetChannelId() string {
+	if x != nil {
+		return x.ChannelId
+	}
+	return ""
+}
+
+func (x *ReadMessagesReq) GetDomainId() string {
+	if x != nil {
+		return x.DomainId
+	}
+	return ""
+}
+
+func (x *ReadMessagesReq) GetPageMetadata() *PageMetadata {
+	if x != nil {
+		return x.PageMetadata
+	}
+	return nil
+}
+
+var File_readers_v1_readers_proto protoreflect.FileDescriptor
+
+const file_readers_v1_readers_proto_rawDesc = "" +
+	"\n" +
+	"\x18readers/v1/readers.proto\x12\n" +
+	"readers.v1\"\x8c\x04\n" +
+	"\fPageMetadata\x12\x14\n" +
+	"\x05limit\x18\x01 \x01(\x04R\x05limit\x12\x16\n" +
+	"\x06offset\x18\x02 \x01(\x04R\x06offset\x12\x1a\n" +
+	"\bprotocol\x18\x03 \x01(\tR\bprotocol\x12\x12\n" +
+	"\x04name\x18\x04 \x01(\tR\x04name\x12\x14\n" +
+	"\x05value\x18\x05 \x01(\x01R\x05value\x12\x1c\n" +
+	"\tpublisher\x18\x06 \x01(\tR\tpublisher\x12\x1d\n" +
+	"\n" +
+	"bool_value\x18\a \x01(\bR\tboolValue\x12!\n" +
+	"\fstring_value\x18\b \x01(\tR\vstringValue\x12\x1d\n" +
+	"\n" +
+	"data_value\x18\t \x01(\tR\tdataValue\x12\x12\n" +
+	"\x04from\x18\n" +
+	" \x01(\x01R\x04from\x12\x0e\n" +
+	"\x02to\x18\v \x01(\x01R\x02to\x12\x1a\n" +
+	"\bsubtopic\x18\f \x01(\tR\bsubtopic\x12\x1a\n" +
+	"\binterval\x18\r \x01(\tR\binterval\x12\x12\n" +
+	"\x04read\x18\x0e \x01(\bR\x04read\x129\n" +
+	"\vaggregation\x18\x0f \x01(\x0e2\x17.readers.v1.AggregationR\vaggregation\x12\x1e\n" +
+	"\n" +
+	"comparator\x18\x10 \x01(\tR\n" +
+	"comparator\x12\x16\n" +
+	"\x06format\x18\x11 \x01(\tR\x06format\x12\x14\n" +
+	"\x05order\x18\x12 \x01(\tR\x05order\x12\x10\n" +
+	"\x03dir\x18\x13 \x01(\tR\x03dir\"\x97\x01\n" +
+	"\x0fReadMessagesRes\x12\x14\n" +
+	"\x05total\x18\x01 \x01(\x04R\x05total\x12=\n" +
+	"\rpage_metadata\x18\x02 \x01(\v2\x18.readers.v1.PageMetadataR\fpageMetadata\x12/\n" +
+	"\bmessages\x18\x03 \x03(\v2\x13.readers.v1.MessageR\bmessages\"u\n" +
+	"\aMessage\x120\n" +
+	"\x05senml\x18\x01 \x01(\v2\x18.readers.v1.SenMLMessageH\x00R\x05senml\x12-\n" +
+	"\x04json\x18\x02 \x01(\v2\x17.readers.v1.JsonMessageH\x00R\x04jsonB\t\n" +
+	"\apayload\"}\n" +
+	"\vBaseMessage\x12\x18\n" +
+	"\achannel\x18\x01 \x01(\tR\achannel\x12\x1a\n" +
+	"\bsubtopic\x18\x02 \x01(\tR\bsubtopic\x12\x1c\n" +
+	"\tpublisher\x18\x03 \x01(\tR\tpublisher\x12\x1a\n" +
+	"\bprotocol\x18\x04 \x01(\tR\bprotocol\"\xfb\x02\n" +
+	"\fSenMLMessage\x12+\n" +
+	"\x04base\x18\x01 \x01(\v2\x17.readers.v1.BaseMessageR\x04base\x12\x12\n" +
+	"\x04name\x18\x02 \x01(\tR\x04name\x12\x12\n" +
+	"\x04unit\x18\x03 \x01(\tR\x04unit\x12\x12\n" +
+	"\x04time\x18\x04 \x01(\x01R\x04time\x12\x1f\n" +
+	"\vupdate_time\x18\x05 \x01(\x01R\n" +
+	"updateTime\x12\x19\n" +
+	"\x05value\x18\x06 \x01(\x01H\x00R\x05value\x88\x01\x01\x12&\n" +
+	"\fstring_value\x18\a \x01(\tH\x01R\vstringValue\x88\x01\x01\x12\"\n" +
+	"\n" +
+	"data_value\x18\b \x01(\tH\x02R\tdataValue\x88\x01\x01\x12\"\n" +
+	"\n" +
+	"bool_value\x18\t \x01(\bH\x03R\tboolValue\x88\x01\x01\x12\x15\n" +
+	"\x03sum\x18\n" +
+	" \x01(\x01H\x04R\x03sum\x88\x01\x01B\b\n" +
+	"\x06_valueB\x0f\n" +
+	"\r_string_valueB\r\n" +
+	"\v_data_valueB\r\n" +
+	"\v_bool_valueB\x06\n" +
+	"\x04_sum\"n\n" +
+	"\vJsonMessage\x12+\n" +
+	"\x04base\x18\x01 \x01(\v2\x17.readers.v1.BaseMessageR\x04base\x12\x18\n" +
+	"\acreated\x18\x02 \x01(\x03R\acreated\x12\x18\n" +
+	"\apayload\x18\x03 \x01(\fR\apayload\"\x8c\x01\n" +
+	"\x0fReadMessagesReq\x12\x1d\n" +
+	"\n" +
+	"channel_id\x18\x01 \x01(\tR\tchannelId\x12\x1b\n" +
+	"\tdomain_id\x18\x02 \x01(\tR\bdomainId\x12=\n" +
+	"\rpage_metadata\x18\x03 \x01(\v2\x18.readers.v1.PageMetadataR\fpageMetadata*\x95\x01\n" +
+	"\vAggregation\x12\x1b\n" +
+	"\x17AGGREGATION_UNSPECIFIED\x10\x00\x12\x13\n" +
+	"\x0fAGGREGATION_MAX\x10\x01\x12\x13\n" +
+	"\x0fAGGREGATION_MIN\x10\x02\x12\x13\n" +
+	"\x0fAGGREGATION_SUM\x10\x03\x12\x15\n" +
+	"\x11AGGREGATION_COUNT\x10\x04\x12\x13\n" +
+	"\x0fAGGREGATION_AVG\x10\x052\\\n" +
+	"\x0eReadersService\x12J\n" +
+	"\fReadMessages\x12\x1b.readers.v1.ReadMessagesReq\x1a\x1b.readers.v1.ReadMessagesRes\"\x00B0Z.github.com/absmach/supermq/api/grpc/readers/v1b\x06proto3"
+
+var (
+	file_readers_v1_readers_proto_rawDescOnce sync.Once
+	file_readers_v1_readers_proto_rawDescData []byte
+)
+
+func file_readers_v1_readers_proto_rawDescGZIP() []byte {
+	file_readers_v1_readers_proto_rawDescOnce.Do(func() {
+		file_readers_v1_readers_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_readers_v1_readers_proto_rawDesc), len(file_readers_v1_readers_proto_rawDesc)))
+	})
+	return file_readers_v1_readers_proto_rawDescData
+}
+
+var file_readers_v1_readers_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_readers_v1_readers_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_readers_v1_readers_proto_goTypes = []any{
+	(Aggregation)(0),        // 0: readers.v1.Aggregation
+	(*PageMetadata)(nil),    // 1: readers.v1.PageMetadata
+	(*ReadMessagesRes)(nil), // 2: readers.v1.ReadMessagesRes
+	(*Message)(nil),         // 3: readers.v1.Message
+	(*BaseMessage)(nil),     // 4: readers.v1.BaseMessage
+	(*SenMLMessage)(nil),    // 5: readers.v1.SenMLMessage
+	(*JsonMessage)(nil),     // 6: readers.v1.JsonMessage
+	(*ReadMessagesReq)(nil), // 7: readers.v1.ReadMessagesReq
+}
+var file_readers_v1_readers_proto_depIdxs = []int32{
+	0, // 0: readers.v1.PageMetadata.aggregation:type_name -> readers.v1.Aggregation
+	1, // 1: readers.v1.ReadMessagesRes.page_metadata:type_name -> readers.v1.PageMetadata
+	3, // 2: readers.v1.ReadMessagesRes.messages:type_name -> readers.v1.Message
+	5, // 3: readers.v1.Message.senml:type_name -> readers.v1.SenMLMessage
+	6, // 4: readers.v1.Message.json:type_name -> readers.v1.JsonMessage
+	4, // 5: readers.v1.SenMLMessage.base:type_name -> readers.v1.BaseMessage
+	4, // 6: readers.v1.JsonMessage.base:type_name -> readers.v1.BaseMessage
+	1, // 7: readers.v1.ReadMessagesReq.page_metadata:type_name -> readers.v1.PageMetadata
+	7, // 8: readers.v1.ReadersService.ReadMessages:input_type -> readers.v1.ReadMessagesReq
+	2, // 9: readers.v1.ReadersService.ReadMessages:output_type -> readers.v1.ReadMessagesRes
+	9, // [9:10] is the sub-list for method output_type
+	8, // [8:9] is the sub-list for method input_type
+	8, // [8:8] is the sub-list for extension type_name
+	8, // [8:8] is the sub-list for extension extendee
+	0, // [0:8] is the sub-list for field type_name
+}
+
+func init() { file_readers_v1_readers_proto_init() }
+func file_readers_v1_readers_proto_init() {
+	if File_readers_v1_readers_proto != nil {
+		return
+	}
+	file_readers_v1_readers_proto_msgTypes[2].OneofWrappers = []any{
+		(*Message_Senml)(nil),
+		(*Message_Json)(nil),
+	}
+	file_readers_v1_readers_proto_msgTypes[4].OneofWrappers = []any{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_readers_v1_readers_proto_rawDesc), len(file_readers_v1_readers_proto_rawDesc)),
+			NumEnums:      1,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_readers_v1_readers_proto_goTypes,
+		DependencyIndexes: file_readers_v1_readers_proto_depIdxs,
+		EnumInfos:         file_readers_v1_readers_proto_enumTypes,
+		MessageInfos:      file_readers_v1_readers_proto_msgTypes,
+	}.Build()
+	File_readers_v1_readers_proto = out.File
+	file_readers_v1_readers_proto_goTypes = nil
+	file_readers_v1_readers_proto_depIdxs = nil
+}

api/grpc/readers/v1/readers_grpc.pb.go

@@ -0,0 +1,130 @@
+// Copyright (c) Abstract Machines
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.0
+// - protoc             v6.33.0
+// source: readers/v1/readers.proto
+
+package v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	ReadersService_ReadMessages_FullMethodName = "/readers.v1.ReadersService/ReadMessages"
+)
+
+// ReadersServiceClient is the client API for ReadersService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+//
+// ReadersService is a service that provides access to
+// readers functionalities for SuperMQ services.
+type ReadersServiceClient interface {
+	ReadMessages(ctx context.Context, in *ReadMessagesReq, opts ...grpc.CallOption) (*ReadMessagesRes, error)
+}
+
+type readersServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewReadersServiceClient(cc grpc.ClientConnInterface) ReadersServiceClient {
+	return &readersServiceClient{cc}
+}
+
+func (c *readersServiceClient) ReadMessages(ctx context.Context, in *ReadMessagesReq, opts ...grpc.CallOption) (*ReadMessagesRes, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(ReadMessagesRes)
+	err := c.cc.Invoke(ctx, ReadersService_ReadMessages_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// ReadersServiceServer is the server API for ReadersService service.
+// All implementations must embed UnimplementedReadersServiceServer
+// for forward compatibility.
+//
+// ReadersService is a service that provides access to
+// readers functionalities for SuperMQ services.
+type ReadersServiceServer interface {
+	ReadMessages(context.Context, *ReadMessagesReq) (*ReadMessagesRes, error)
+	mustEmbedUnimplementedReadersServiceServer()
+}
+
+// UnimplementedReadersServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedReadersServiceServer struct{}
+
+func (UnimplementedReadersServiceServer) ReadMessages(context.Context, *ReadMessagesReq) (*ReadMessagesRes, error) {
+	return nil, status.Error(codes.Unimplemented, "method ReadMessages not implemented")
+}
+func (UnimplementedReadersServiceServer) mustEmbedUnimplementedReadersServiceServer() {}
+func (UnimplementedReadersServiceServer) testEmbeddedByValue()                        {}
+
+// UnsafeReadersServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to ReadersServiceServer will
+// result in compilation errors.
+type UnsafeReadersServiceServer interface {
+	mustEmbedUnimplementedReadersServiceServer()
+}
+
+func RegisterReadersServiceServer(s grpc.ServiceRegistrar, srv ReadersServiceServer) {
+	// If the following call panics, it indicates UnimplementedReadersServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&ReadersService_ServiceDesc, srv)
+}
+
+func _ReadersService_ReadMessages_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReadMessagesReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ReadersServiceServer).ReadMessages(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: ReadersService_ReadMessages_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ReadersServiceServer).ReadMessages(ctx, req.(*ReadMessagesReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// ReadersService_ServiceDesc is the grpc.ServiceDesc for ReadersService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var ReadersService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "readers.v1.ReadersService",
+	HandlerType: (*ReadersServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ReadMessages",
+			Handler:    _ReadersService_ReadMessages_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "readers/v1/readers.proto",
+}